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The components of a vector along the x- ...

The components of a vector along the x- and y- directions are `(n+1)` and 1, respectively. If the coordinate system is rotated by an angle `theta=60^(@)`, then the components change to `n` and 3. The value of `n` is

A

2

B

3

C

2.5

D

3.5

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The correct Answer is:
D
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